No evidence to support link between violent video games and behaviour - Researchers at the University of York have found no evidence to support the theory that video games make players more violent.
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LED lights found to kill coronavirus efficiently, quickly, and cheaply, a global first in fight against COVID-19. The finding suggests the UV-LEDs can be installed in air conditioning and water systems. It requires less than half a minute to destroy more than 99.9% of coronaviruses.
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People who consumed higher amounts of artificial sweeteners (aspartame, saccharin, erythritol, xylitol, sorbitol) showed steeper drops in verbal fluency, memory, and cognitive function over 8 years. This link was stronger in people with diabetes but also observed with people without it.
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Young adults with different ADHD symptoms face distinct cannabis-related risks. Inattention symptoms are tied to functional consequences like academic struggles, poor self-care, and memory lapses, while hyperactive-impulsive symptoms may lead to cannabis dependence through increased consumption.
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American small business owners are more likely to identify with and vote for right-wing parties. People who inherited a business are more right-leaning. People without college degrees but who earn higher-than-median incomes are more likely to identify with the Republican Party and vote for Trump.
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Donald Trump's criminal prosecution in 2024 had strikingly limited effects on public opinion. It did caused sharp backlash against the prosecutor among Trump supporters. When citizens hold strong prior beliefs about an accused leader, prosecutions have strikingly limited effects on public opinion.
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Overweight people had a 14% lower risk of developing dementia compared to those with normal weight, while obese participants had a 19% lower risk. However, those who lost weight from midlife to late life had an increased risk of dementia. This is the so-called obesity paradox.
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A three-minute brainwave test can detect memory problems linked to Alzheimer’s disease long before people are typically diagnosed, raising hopes that the approach could help identify those most likely to benefit from new drugs for the condition.
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New case study describes 17-year old girl with extraordinary ability to recall memories in vivid detail and mentally revisit specific moments in her life at will, a rare condition known as hyperthymesia, or highly superior autobiographical memory, also known as mental time travel.
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Childhood trauma linked to mental health problems and chronic pain in later life: Adults who experienced childhood adversity were significantly more likely to suffer from depression, anxiety, and chronic pain at 50 years old.
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Scientists have now discovered how alcohol can switch off an immune "alarm system" in the gut, allowing bad bacteria to escape their natural habitat to flood into the liver, rapidly causing inflammation to the organ, in a study in mice, as seen in alcohol-associated liver disease (ALD).
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Scientists fed people a milkshake with 130g of fat to see what it did to their brains. Study suggests even a single high-fat meal could impair blood flow to brain, potentially increasing risk of stroke and dementia. This was more pronounced in older adults, suggesting they may be more vulnerable.
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Christchurch terrorist who murdered 51 people sought to present himself as an ordinary individual driven to violence because of the existential threat posed by immigration. A new debunks all these claims, and says these manifestos should never be treated as straightforward confessions.
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Sexist beliefs—especially hostile sexism—are strongly associated with negative attitudes toward public breastfeeding. Men and women who endorsed hostile sexist beliefs were equally likely to oppose breastfeeding in public.
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Ultra-processed foods harm men’s health. They increase weight, disrupt hormones, decrease testosterone, and introduce harmful substances linked to declining sperm quality. They contain industrial and synthetic ingredients. This may be why over the past 50 years, sperm quality has plummeted.
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Political parties on both the left and right ignore existing economic inequality, finds a study of 12 democratic OECD countries (including the US) over the past 50 years. Increases in the income share of the highest-income percentage of the population also remain without consequences.
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Myocardial infarction may be an infectious disease: study demonstrated presence of DNA from several oral bacteria inside atherosclerotic plaques. The body’s immune system responded to these bacteria, triggering inflammation which ruptured the cholesterol-laden plaque.
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As the United States passes a tipping point in water security, new research reveals that millions of Americans now face a growing crisis in accessing clean, affordable water. The study demands that policies treat water as a basic human need and that they prioritize the needs of those most affected.
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A study of the 2024 attempted assassination of Donald Trump found that Republicans and Trump supporters were more likely to believe that Democratic operatives orchestrated the shooting, while Democrats were somewhat more open to the idea that the event was staged.
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New study raises concerns about the safety of BPA-free packaging. Chemicals used to replace bisphenol A (BPA) in food packaging can trigger potentially harmful effects in human ovarian cells. Researchers warn that ‘BPA-free’ does not necessarily mean safe.
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Study finds many doctors disregard wishes of cancer patients. Frequently, patients with advanced cancer simply want to be made as comfortable as possible as they wind down their final days. Many of these patients are receiving treatment focused on extending their lives rather than easing their pain.
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Men are typically more aggressive than women. But a new study reveals an exception: girls and women are slightly more aggressive towards their siblings than are boys and men. The trend held in wealthier and poorer countries and Western and Non-Western cultures, suggesting it may be universal.
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Conspiracy theories can significantly influence public support for war. The research provides evidence that believing such theories tends to increase support for military aggression, reduce humanitarian concern for the enemy, and heighten perceptions of threat.
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Working out doesn't just reshape your body – it rewires your gut microbiome. During intense training, rowers had more frequent bowel movements, with 92% going within a 24-hour window. Pushing yourself harder in training may be “feeding” your gut microbes in ways that promote better health.
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Children raised in poverty are less likely to believe in a just world. Belief in a just world refers to the psychological tendency to think that people generally get what they deserve and deserve what they get.
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